CASE
#define CASE 265
#define CASE(s) case s: if (!(sc->sc_speedmask & CONC(IRDA_SPEED_,s))) return (EINVAL); break
#undef CASE
#undef CASE
#define CASE(f) \
#undef CASE
#define CASE(f) \
#undef CASE
#define CASE(a,b) case COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b)
CASE, /* does not appear in the tree */